The physician has ordered amiodarone (Cordarone). Prior to starting this medication, the nurse would alert the physician to which laboratory result?
1. Sodium 140 mEq/L
2. Potassium 3.1 mEq/L
3. Potassium 4.9 mEq/L
4. International normalized ratio (INR) of 12 seconds
2
Rationale 1: 140 mEq/L is a normal sodium level.
Rationale 2: Hypokalemia and hypomagnesemia should be corrected prior to initiating therapy with amiodarone (Cordarone).
Rationale 3: 4.9 mEq/L is a normal potassium level.
Rationale 4: Twelve seconds is a normal international normalized ratio (INR) level.
Global Rationale: Hypokalemia and hypomagnesemia should be corrected prior to initiating therapy with amiodarone (Cordarone). 4.9 mEq/L is a normal potassium level. 140 mEq/L is a normal sodium level. Twelve seconds is a normal international normalized ratio (INR) level.
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